Shimano SM-AD91-L 34.9mm Clamp Band Adapter

The Shimano SM-AD91-L Clamp Band Adapter is designed to facilitate the installation of Shimano’s braze-on front derailleurs onto frames lacking a braze-on mount – specifically those with a 34.9mm diameter seat tube.

Versatile Compatibility

This adapter is compatible with various Shimano front derailleurs, including the Dura-Ace Di2 FD-R9150-F, Dura-Ace FD-R9100-F, Ultegra Di2 FD-R8050-F, and Ultegra FD-R8000-F models.

Durable Construction

Crafted from anodised aluminium, the SM-AD91-L ensures both strength and corrosion resistance, contributing to a longer lifespan.

Lightweight Design

Weighing approximately 24 grams, this adapter adds minimal weight to your bike setup.